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Finding the Fourth Proportional to 144,273.84, 216,082.44 and 99,698.64

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Solution

The fourth proportional to 144,273.84, 216,082.44 and 99,698.64 is: 149,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,273.84 : 216,082.44 = 99,698.64 : x
  2. Step 2: Convert to fraction form
    144,273.84/216,082.44 = 99,698.64/x
  3. Step 3: Cross multiply
    144,273.84x = 216,082.44 × 99,698.64
  4. Step 4: Simplify right side
    144,273.84x = 21,543,125,395.88
  5. Step 5: Solve for x
    x = 21,543,125,395.88/144,273.84
  6. Step 6: Final answer
    x = 149,321.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.